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Old 03-07-2013, 11:52 AM
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bandersen bandersen is offline
RCA 741PCS
 
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,103
Is it a WT-110A ? It's actually a pretty good tester. Like the Hickok, it uses mutual conductance. Here's one that sold for $250.

http://www.ebay.com/itm/RCA-WT-110A-...-/150999237542
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